The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the Celsius (Centigrade) temperature.Since it has Linear + 10.0 mV/°C scale factor it is very easy to calculate temperature value.

The LM35 thus has an advantage over linear temperature sensors calibrated in ° Kelvin, as the user is not required to subtract a large constant voltage from its output to obtain convenient Centigrade scaling. The LM35 does not require any external calibration or trimming to provide typical accuracies of ±1⁄4°C at room temperature and ±3⁄4°C over a full −55 to +150°C temperature range. Low cost is assured by trimming and calibration at the wafer level. The LM35’s low output impedance, linear output, and precise inherent calibration make interfacing to readout or control circuitry especially easy. It can be used with single power supplies, or with plus and minus supplies. As it draws only 60 μA from its supply, it has very low self-heating, less than 0.1°C in still air.

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Is LM35 Temperature Sensor (TO-92) it waterproof? And will it work with arduino ?

asked by Anchal Patil on October 19, 2016

A

LM35 Temperature Sensor (TO-92) definitely work with Arduino. However it is not water proof.Operating temperature is from -55 to 150 degree celcius. Since it is analog output the output of LM35 has to be given to arduino analog pin.

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